John Perkins

4 Questions 15 Answers 0 Followers

Questions related from John Perkins

For flowering plants, is an autotriploid or an allotriploid more likely to be fertile?

In general are triploids more likely to be seed fertile if the the parents are closely related or distance relatives?

27 July 2016 348 2 View

Focusing on flowering plants, are there reasonable explanations why pentaploids would be more fertile than triploids?

For the genus Rhododendron, triploids are sometimes fertile but pentaploids appear to be often fertile. Once Rhododendron seedlings gets above the triploid level, aneuploids not near euploid...

27 December 2015 10,089 22 View

Does a .1 increment in flow cytometry scores for closely related species from 1.8 to 3.8 indicate an increase in the number or length of chromosomes?

Does a .1 increment in flow cytometry scores for closely related species from 1.8 to 3.8 normally indicate an increase in the number or length of chromosomes where 1.2 to 1.4 normally indicates...

29 November 2014 3,193 3 View

For flowering plants, can a sport of a triploid become diploid or tetraploid?

Using flow cytometry, documented sports of triploid Rhododendrons have tested as diploid, triploid, and tetraploid. The sports were documented as propagated from cuttings. Does anyone know other...

01 January 1970 4,916 2 View